Remove all PWL_Note classes

The PWL_Note clasess are never instantiated, remove them and their
implementation. PWL_Note was the only caller to enable spellcheck so this
allows us to remove IPWL_SpellCheck and the conditionals for PES_SPELLCHECK.

BUG=pdfium:468

Review URL: https://codereview.chromium.org/1869533003

1 files changed, 0 insertions, 313 deletions

diff --git a/fpdfsdk/pdfwindow/PWL_Utils.cpp b/fpdfsdk/pdfwindow/PWL_Utils.cpp
index fe0075c2b0..92787b9e6c 100644
--- a/fpdfsdk/pdfwindow/PWL_Utils.cpp
+++ b/fpdfsdk/pdfwindow/PWL_Utils.cpp
@@ -430,152 +430,6 @@ CFX_ByteString CPWL_Utils::GetEditSelAppStream(IFX_Edit* pEdit,
   return IFX_Edit::GetSelectAppearanceStream(pEdit, ptOffset, pRange);
 }
 
-static CFX_ByteString GetSquigglyAppearanceStream(FX_FLOAT fStartX,
-                                                  FX_FLOAT fEndX,
-                                                  FX_FLOAT fY,
-                                                  FX_FLOAT fStep) {
-  CFX_ByteTextBuf sRet;
-
-  sRet << "0 w\n" << fStartX << " " << fY << " m\n";
-
-  FX_FLOAT fx;
-  int32_t i;
-
-  for (i = 1, fx = fStartX + fStep; fx < fEndX; fx += fStep, i++) {
-    sRet << fx << " " << fY + (i & 1) * fStep << " l\n";
-  }
-
-  sRet << "S\n";
-
-  return sRet.GetByteString();
-}
-
-static CFX_ByteString GetWordSpellCheckAppearanceStream(
-    IFX_Edit_Iterator* pIterator,
-    const CFX_FloatPoint& ptOffset,
-    const CPVT_WordRange& wrWord) {
-  CFX_ByteTextBuf sRet;
-
-  FX_FLOAT fStartX = 0.0f;
-  FX_FLOAT fEndX = 0.0f;
-  FX_FLOAT fY = 0.0f;
-  FX_FLOAT fStep = 0.0f;
-
-  FX_BOOL bBreak = FALSE;
-
-  if (pIterator) {
-    pIterator->SetAt(wrWord.BeginPos);
-
-    do {
-      CPVT_WordPlace place = pIterator->GetAt();
-
-      CPVT_Line line;
-      if (pIterator->GetLine(line)) {
-        fY = line.ptLine.y;
-        fStep = (line.fLineAscent - line.fLineDescent) / 16.0f;
-      }
-
-      if (place.LineCmp(wrWord.BeginPos) == 0) {
-        pIterator->SetAt(wrWord.BeginPos);
-        CPVT_Word word;
-        if (pIterator->GetWord(word)) {
-          fStartX = word.ptWord.x;
-        }
-      } else {
-        fStartX = line.ptLine.x;
-      }
-
-      if (place.LineCmp(wrWord.EndPos) == 0) {
-        pIterator->SetAt(wrWord.EndPos);
-        CPVT_Word word;
-        if (pIterator->GetWord(word)) {
-          fEndX = word.ptWord.x + word.fWidth;
-        }
-
-        bBreak = TRUE;
-      } else {
-        fEndX = line.ptLine.x + line.fLineWidth;
-      }
-
-      sRet << GetSquigglyAppearanceStream(
-          fStartX + ptOffset.x, fEndX + ptOffset.x, fY + ptOffset.y, fStep);
-
-      if (bBreak)
-        break;
-    } while (pIterator->NextLine());
-  }
-
-  return sRet.GetByteString();
-}
-
-CFX_ByteString CPWL_Utils::GetSpellCheckAppStream(
-    IFX_Edit* pEdit,
-    IPWL_SpellCheck* pSpellCheck,
-    const CFX_FloatPoint& ptOffset,
-    const CPVT_WordRange* pRange) {
-  CFX_ByteTextBuf sRet;
-
-  if (pRange && pRange->IsExist()) {
-    if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
-      pIterator->SetAt(pRange->BeginPos);
-
-      FX_BOOL bLatinWord = FALSE;
-      CPVT_WordPlace wpWordStart;
-      CFX_ByteString sWord;
-
-      CPVT_WordPlace oldplace;
-      while (pIterator->NextWord()) {
-        CPVT_WordPlace place = pIterator->GetAt();
-        if (pRange && place.WordCmp(pRange->EndPos) > 0)
-          break;
-
-        CPVT_Word word;
-        if (pIterator->GetWord(word)) {
-          if (FX_EDIT_ISLATINWORD(word.Word)) {
-            if (!bLatinWord) {
-              wpWordStart = place;
-              bLatinWord = TRUE;
-            }
-
-            sWord += (char)word.Word;
-            oldplace = place;
-          } else {
-            if (bLatinWord) {
-              if (!pSpellCheck->CheckWord(sWord)) {
-                sRet << GetWordSpellCheckAppearanceStream(
-                    pIterator, ptOffset, CPVT_WordRange(wpWordStart, oldplace));
-                pIterator->SetAt(place);
-              }
-              bLatinWord = FALSE;
-            }
-
-            sWord.Empty();
-          }
-        } else {
-          if (bLatinWord) {
-            if (!pSpellCheck->CheckWord(sWord))
-              sRet << GetWordSpellCheckAppearanceStream(
-                  pIterator, ptOffset, CPVT_WordRange(wpWordStart, oldplace));
-            bLatinWord = FALSE;
-            sWord.Empty();
-          }
-        }
-      }
-
-      if (bLatinWord) {
-        if (!pSpellCheck->CheckWord(sWord))
-          sRet << GetWordSpellCheckAppearanceStream(
-              pIterator, ptOffset, CPVT_WordRange(wpWordStart, oldplace));
-
-        bLatinWord = FALSE;
-        sWord.Empty();
-      }
-    }
-  }
-
-  return sRet.GetByteString();
-}
-
 CFX_ByteString CPWL_Utils::GetTextAppStream(const CFX_FloatRect& rcBBox,
                                             IPVT_FontMap* pFontMap,
                                             const CFX_WideString& sText,
@@ -1608,173 +1462,6 @@ void CPWL_Utils::DrawBorder(CFX_RenderDevice* pDevice,
   }
 }
 
-static void AddSquigglyPath(CFX_PathData& PathData,
-                            FX_FLOAT fStartX,
-                            FX_FLOAT fEndX,
-                            FX_FLOAT fY,
-                            FX_FLOAT fStep) {
-  PathData.AddPointCount(1);
-  PathData.SetPoint(PathData.GetPointCount() - 1, fStartX, fY, FXPT_MOVETO);
-
-  FX_FLOAT fx;
-  int32_t i;
-
-  for (i = 1, fx = fStartX + fStep; fx < fEndX; fx += fStep, i++) {
-    PathData.AddPointCount(1);
-    PathData.SetPoint(PathData.GetPointCount() - 1, fx, fY + (i & 1) * fStep,
-                      FXPT_LINETO);
-  }
-}
-
-static void AddSpellCheckObj(CFX_PathData& PathData,
-                             IFX_Edit* pEdit,
-                             const CPVT_WordRange& wrWord) {
-  FX_FLOAT fStartX = 0.0f;
-  FX_FLOAT fEndX = 0.0f;
-  FX_FLOAT fY = 0.0f;
-  FX_FLOAT fStep = 0.0f;
-
-  FX_BOOL bBreak = FALSE;
-
-  if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
-    pIterator->SetAt(wrWord.BeginPos);
-
-    do {
-      CPVT_WordPlace place = pIterator->GetAt();
-
-      CPVT_Line line;
-      if (pIterator->GetLine(line)) {
-        fY = line.ptLine.y;
-        fStep = (line.fLineAscent - line.fLineDescent) / 16.0f;
-      }
-
-      if (place.LineCmp(wrWord.BeginPos) == 0) {
-        pIterator->SetAt(wrWord.BeginPos);
-        CPVT_Word word;
-        if (pIterator->GetWord(word)) {
-          fStartX = word.ptWord.x;
-        }
-      } else {
-        fStartX = line.ptLine.x;
-      }
-
-      if (place.LineCmp(wrWord.EndPos) == 0) {
-        pIterator->SetAt(wrWord.EndPos);
-        CPVT_Word word;
-        if (pIterator->GetWord(word)) {
-          fEndX = word.ptWord.x + word.fWidth;
-        }
-
-        bBreak = TRUE;
-      } else {
-        fEndX = line.ptLine.x + line.fLineWidth;
-      }
-
-      AddSquigglyPath(PathData, fStartX, fEndX, fY, fStep);
-
-      if (bBreak)
-        break;
-    } while (pIterator->NextLine());
-  }
-}
-
-void CPWL_Utils::DrawEditSpellCheck(CFX_RenderDevice* pDevice,
-                                    CFX_Matrix* pUser2Device,
-                                    IFX_Edit* pEdit,
-                                    const CFX_FloatRect& rcClip,
-                                    const CFX_FloatPoint& ptOffset,
-                                    const CPVT_WordRange* pRange,
-                                    IPWL_SpellCheck* pSpellCheck) {
-  const FX_COLORREF crSpell = ArgbEncode(255, 255, 0, 0);
-
-  // for spellcheck
-  FX_BOOL bLatinWord = FALSE;
-  CPVT_WordPlace wpWordStart;
-  CFX_ByteString sLatinWord;
-
-  CFX_PathData pathSpell;
-
-  pDevice->SaveState();
-
-  if (!rcClip.IsEmpty()) {
-    CFX_FloatRect rcTemp = rcClip;
-    pUser2Device->TransformRect(rcTemp);
-    pDevice->SetClip_Rect(rcTemp.ToFxRect());
-  }
-
-  if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
-    if (pEdit->GetFontMap()) {
-      if (pRange)
-        pIterator->SetAt(pRange->BeginPos);
-      else
-        pIterator->SetAt(0);
-
-      CPVT_WordPlace oldplace;
-
-      while (pIterator->NextWord()) {
-        CPVT_WordPlace place = pIterator->GetAt();
-        if (pRange && place.WordCmp(pRange->EndPos) > 0)
-          break;
-
-        CPVT_Word word;
-        if (pIterator->GetWord(word)) {
-          if (FX_EDIT_ISLATINWORD(word.Word)) {
-            if (!bLatinWord) {
-              wpWordStart = place;
-              bLatinWord = TRUE;
-            }
-
-            sLatinWord += (char)word.Word;
-          } else {
-            if (bLatinWord) {
-              if (!sLatinWord.IsEmpty()) {
-                if (pSpellCheck && !pSpellCheck->CheckWord(sLatinWord)) {
-                  AddSpellCheckObj(pathSpell, pEdit,
-                                   CPVT_WordRange(wpWordStart, oldplace));
-                  pIterator->SetAt(place);
-                }
-              }
-              bLatinWord = FALSE;
-            }
-
-            sLatinWord.Empty();
-          }
-
-          oldplace = place;
-        } else {
-          if (bLatinWord) {
-            if (!sLatinWord.IsEmpty()) {
-              if (pSpellCheck && !pSpellCheck->CheckWord(sLatinWord)) {
-                AddSpellCheckObj(pathSpell, pEdit,
-                                 CPVT_WordRange(wpWordStart, oldplace));
-                pIterator->SetAt(place);
-              }
-            }
-            bLatinWord = FALSE;
-          }
-
-          sLatinWord.Empty();
-        }
-      }
-
-      if (!sLatinWord.IsEmpty()) {
-        if (pSpellCheck && !pSpellCheck->CheckWord(sLatinWord)) {
-          AddSpellCheckObj(pathSpell, pEdit,
-                           CPVT_WordRange(wpWordStart, oldplace));
-        }
-      }
-    }
-  }
-
-  CFX_GraphStateData gsd;
-  gsd.m_LineWidth = 0;
-  if (pathSpell.GetPointCount() > 0)
-    pDevice->DrawPath(&pathSpell, pUser2Device, &gsd, 0, crSpell,
-                      FXFILL_ALTERNATE);
-
-  pDevice->RestoreState();
-}
-
 FX_BOOL CPWL_Utils::IsBlackOrWhite(const CPWL_Color& color) {
   switch (color.nColorType) {
     case COLORTYPE_TRANSPARENT: